
    <!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="">
<meta name="viewport" content="width=device-width, initial-scale=1.0 ,shrink-to-fit=no" >
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css">
<title>Title</title>
</head>
<body>

    
    <!-- 第一个例子：控制列的宽度及在不同的设备上如何显示 -->
    <div class="container">
    <div class="row">
            <div class="col-md-12" style="background-color: lawngreen">00</div>
        </div>
        <div class="row">
            <div class="col-md-1 col-sm-3" style="background-color: lawngreen ">0</div>
            <div class="col-md-6 col-sm-3" style="background-color:hotpink ">11</div>
            <div class="col-md-5 col-sm-3" style="background-color: rebeccapurple ">22</div>
        </div>
       
    </div>       
       <div class="container-fluid">
            <!-- 第二个例子：或让 Bootstrap 者自动处理布局 -->
        <div class="row">
                <div class="col">0</div>
                <div class="col">0</div>
                <div class="col">0</div>
                <div class="col " class="text-center "  class="text-info ">0000</div>   
               
            </div>
       </div>
  
       <div class="container">
           <h1 class="display-1 text-info">000000</h1>
           <h1 >000000</h1>
       </div>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
</body>
</html>